-56.04% is the change from 778 to 342
Calculation steps:
[( 342 - 778 ) ÷ 778] x 100 = -56.04%
Formula
Percentage change = [(342 - 778) / 778] x 100
Subtract the new number by the original number
342 - 778 = -436
-436 ÷ 778 = -0.5604113110539846
-0.5604113110539846 x 100 = -56.04%